Chinese ventriloquist Gordon Cobb is murdered by a gang of jewel thieves. Baffled by the contradictory clues, Inspector Queen asks his son Ellery to help out.
| Directing | James P. Hogan | Director |
| Production | Larry Darmour | Producer |
| Sound | Lee Zahler | Original Music Composer |
| Writing | Manfred Lee | Writer |
| Writing | Eric Taylor | Screenplay |
| Writing | Frederic Dannay | Writer |
| Editing | Dwight Caldwell | Editor |
| Camera | James S. Brown Jr. | Director of Photography |
